Home / 16,191.09-22,346.85-9,117.53

Finding the Fourth Proportional to 16,191.09, 22,346.85 and 9,117.53

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Solution

The fourth proportional to 16,191.09, 22,346.85 and 9,117.53 is: 12,583.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.09 : 22,346.85 = 9,117.53 : x
  2. Step 2: Convert to fraction form
    16,191.09/22,346.85 = 9,117.53/x
  3. Step 3: Cross multiply
    16,191.09x = 22,346.85 × 9,117.53
  4. Step 4: Simplify right side
    16,191.09x = 203,748,081.54
  5. Step 5: Solve for x
    x = 203,748,081.54/16,191.09
  6. Step 6: Final answer
    x = 12,583.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.